Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 90
it prop-erly to one of the previous lines of the development. Thedevelopment of the frustum is now complete. 90. To Construct the Projections of a Prism Whose Long EdgesMake Given Angles with fland V (Fig. 116). Let it be requiredto draw the projections of a prism whose long edges shall make30°… … Fig. ll«. these projections by using a secondary ground line, as in § 72(B, Fig. 116). Find, by Problem 5, § 83, the projections of aline ab making the given angles with II and V (A, Fig. 116). Now the long edges of the prism as placed in B, Fig. 116,make the given angle with V. If the prism be…
Geometry, Descriptive
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
